现场预制40m预应力箱梁施工要点

Field prefabricating key-points and cracks control measures of 40 m prestressed box beams

结合实际施工经验 ,针对箱梁的设计特点 ,介绍了现场预制 40m箱梁时应把握的施工要点 ,提出了关键工序的施工步骤及混凝土防裂措施 。

In this paper combined with practical construction experiences and according to design characteristics of box beam the key points of field prefabricating construction of 40 m prestressed box beams are introduced. The key procedure and concrete cracks control measures are proposed, which has a certain reference value to similar works.